/**
  ******************************************************************************
  * @file    GPIO/GPIO_IOToggle/stm32f4xx_it.c 
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    04-August-2014
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_it.h"
#include "stm32f4xx_exti.h"
#include "drv_sx1278.h"
#include "drv_uart.h"
#include "stdio.h"
#include "string.h"
//extern uint8_t motor_flag_f;
//extern uint8_t motor_flag_w;
extern uint8_t motor_flag;
volatile uint8_t j=0;
extern char data[50];
extern int n;
uint8_t RecvBuf[60]={0};
/** @addtogroup STM32F4xx_StdPeriph_Examples
  * @{
  */

/** @addtogroup GPIO_IOToggle
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M4 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
//void SVC_Handler(void)
//{
//}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
//void PendSV_Handler(void)
//{
//}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
//void SysTick_Handler(void)
//{
//}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f40xx.s/startup_stm32f427x.s/startup_stm32f429x.s).    */
/******************************************************************************/

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/
void EXTI9_5_IRQHandler(void)
{	
	if(EXTI_GetFlagStatus(EXTI_Line6) == SET)
	{
		 // sx1278有数据收发进中断
		SX1278_InterruptProcess();
		EXTI_ClearITPendingBit(EXTI_Line6);
	}
}

void USART3_IRQHandler(void)
{	uint8_t data;	
	if(SET==USART_GetITStatus(USART3,USART_FLAG_RXNE))
		{
		   USART_ClearITPendingBit(USART3,USART_FLAG_RXNE);
		   data= USART_ReceiveData(USART3);
		   USART_SendData(USART3,data);
		}


}

void USART1_IRQHandler(void)
{	
	uint8_t test;
	static uint8_t i=0;
	if(SET==USART_GetITStatus(USART1,USART_IT_RXNE))
		{
		   USART_ClearITPendingBit(USART1,USART_IT_RXNE);
		
			USART_ClearITPendingBit(USART1,USART_IT_RXNE);
			test=USART_ReceiveData(USART1);
			RecvBuf[i++]=test;
			USART_SendData(USART3,test);
			if(RecvBuf[0]=='O')
			{
				if(RecvBuf[1]=='R')
				{
					if(RecvBuf[i-1]=='\n')
					{
						if(RecvBuf[6]=='p')
						{
							strcpy((char*)data,(const char*)&RecvBuf[8]);
						
							n=12;
						}
						if(RecvBuf[6]=='m')
						{
							if(j==0)
							{
								motor_flag=1;
								j=1;
							}else
							{
								motor_flag=2;
								j=0;
							}
						}
						if(i>20)
						{				memset(RecvBuf,0,60);
				i=0;

						}

					memset(RecvBuf,0,60);
					i=0;
					}
				}
			}
			else{
				memset(RecvBuf,0,60);
				i=0;
				}


		}

}
void USART2_IRQHandler(void)
{	uint8_t data;	
	if(SET==USART_GetITStatus(USART2,USART_IT_RXNE))
		{
		   USART_ClearITPendingBit(USART2,USART_IT_RXNE);
		   data= USART_ReceiveData(USART2);
		   USART_SendData(USART1,data);
		}

}

void EXTI0_IRQHandler(void)
{	
		
	if(EXTI_GetFlagStatus(EXTI_Line0) == SET)
	{		EXTI_ClearITPendingBit(EXTI_Line0);
//motor_flag++;
		if(j==0)
		{
			motor_flag=1;
			j=1;
		}else
		{
			motor_flag=2;
			j=0;
		}
//else if(i==2) {
//		motor_flag=0;
//		i=0;

//}

	
	}
}
   
/**
  * @}
  */ 

/**
  * @}
  */ 


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
